SYSTEM_PERFORMANCE_INFORMATION

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct SYSTEM_PERFORMANCE_INFORMATION
{
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 312)] public byte[] Reserved1;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure SYSTEM_PERFORMANCE_INFORMATION
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=312)> Public Reserved1() As Byte
End Structure

import ctypes
from ctypes import wintypes

class SYSTEM_PERFORMANCE_INFORMATION(ctypes.Structure):
    _fields_ = [
        ("Reserved1", ctypes.c_ubyte * 312),
    ]

#[repr(C)]
pub struct SYSTEM_PERFORMANCE_INFORMATION {
    pub Reserved1: [u8; 312],
}

import "golang.org/x/sys/windows"

type SYSTEM_PERFORMANCE_INFORMATION struct {
	Reserved1 [312]byte
}

type
  SYSTEM_PERFORMANCE_INFORMATION = record
    Reserved1: array[0..311] of Byte;
  end;

const SYSTEM_PERFORMANCE_INFORMATION = extern struct {
    Reserved1: [312]u8,
};

type
  SYSTEM_PERFORMANCE_INFORMATION {.bycopy.} = object
    Reserved1: array[312, uint8]

struct SYSTEM_PERFORMANCE_INFORMATION
{
    ubyte[312] Reserved1;
}